package controller;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import pojo.User;
import service.UserService;
import utils.Page;

import java.util.List;

@Controller
@RequestMapping("/asyncuser")
public class AsyncUserController {

    @Autowired
    private UserService userService;
    @RequestMapping("/tolist")
    public String tolist(){
        return "asyncuser/list";
    }
    // 全查询
    @RequestMapping("/list/{currentPage}")
    @ResponseBody
    public String list(User user, @PathVariable("currentPage") Integer currentPage, Model model){
        //查询数据
        Page page=new Page();
        int totalCount = userService.count(user);
        page.setTotalCount(totalCount);
        page.setCurrentPage(currentPage);
        page.setTotalPage();

        // 计算偏移量
        int offset = (currentPage - 1) * page.getPageSize();
        List<User> users = userService.findAll(user, offset, page.getPageSize());

        // 数据返回
        model.addAttribute("users", users);
        model.addAttribute("page", page);
        model.addAttribute("user", user);
        // 补全代码
        return "user/list";
    }
    @RequestMapping("/toadd")
    public String toAdd(){
        return "user/add";
    }
    @RequestMapping("/addSave")
    public String addSave(User user){

        int result=userService.addUser(user);
        if(result>0){
            return "redirect:/user/list/1";
        }else{
            return "user/add";
        }
        }

    @RequestMapping("/delete/{id}")
    public String deleteUserById(@PathVariable("id") int id){
        int result=userService.deleteUserById(id);
        return result > 0 ? "redirect:/user/list/1" : "error";
    }
    @RequestMapping("/toUpdate/{id}")
    public String toUpdate(@PathVariable("id") Integer id, Model model){
        User user=userService.findUserById(id);
        model.addAttribute("user", user);
        return "user/update";
    }
    @RequestMapping("/updateSave")
    public String updateSave(User user){
        int result=userService.updateUser(user);
        if (result > 0) {
            return "redirect:/user/list/1";
        } else {
            return "user/update";
        }
    }
}
